Franking system



FIG. 1 is a perspective view of a franking system showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof; and,

FIG. 5 is a front elevation view thereof.

The broken lines shown in the drawings are included for the purpose of illustrating structural environment and form no part of the claimed design. 

The ornamental design for a franking system, as shown and described. 